Home / 142,565,708.09-196,829,534.10-97,988,437.01

Finding the Fourth Proportional to 142,565,708.09, 196,829,534.10 and 97,988,437.01

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Solution

The fourth proportional to 142,565,708.09, 196,829,534.10 and 97,988,437.01 is: 135,285,116.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,565,708.09 : 196,829,534.10 = 97,988,437.01 : x
  2. Step 2: Convert to fraction form
    142,565,708.09/196,829,534.10 = 97,988,437.01/x
  3. Step 3: Cross multiply
    142,565,708.09x = 196,829,534.10 × 97,988,437.01
  4. Step 4: Simplify right side
    142,565,708.09x = 19,287,018,402,881,348
  5. Step 5: Solve for x
    x = 19,287,018,402,881,348/142,565,708.09
  6. Step 6: Final answer
    x = 135,285,116.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.